
/*
 * Add the "Sign" buton in SeleniumIDE window and add the signature assertion command in the context menu
 */

//Setup the "Sign" buton created in selenium-ide-signature.xul and placed in the SeleniumIDE window
//The text box commandValue contener as no id, so it can't be correctly place by obverlay in the xul and as to be placed with the following function :
(function(){
	var eletxt = window.document.getElementById("commandValue");
	eletxt.setAttribute('flex','1');
	var eleparent = eletxt.parentNode;
	var elehbox = window.document.createElement("hbox");
	elehbox.setAttribute('flex','1');
	var elebutton = window.document.getElementById("sign-button");
	elehbox.appendChild(eletxt);
	elehbox.appendChild(elebutton);
	eleparent.appendChild(elehbox);
})()

//function called when the user click on the buton "Sign"
Debugger.prototype.getSignature = function(locator) {
	try{
		this.init();
		var wm = Components.classes["@mozilla.org/appshell/window-mediator;1"].getService(Components.interfaces.nsIWindowMediator);
		var contentWindow = wm.getMostRecentWindow('navigator:browser').getBrowser().contentWindow;
		this.runner.browserbot = new MozillaBrowserBot(contentWindow);
		this.runner.browserbot.getCurrentWindow = function() {
			return contentWindow;
		}
		return this.runner.Selenium.prototype.getSignature.call(this.runner, locator);
	}catch(e){
		alert(e.message);
	}
}

//function that add the "assertSignature" command with the selected element CRC in the page context menu. Only called if Selenium addon is launched.
CommandBuilders.add('accessor', function(window) {
	var result = { accessor: "Signature" };
	var element = this.getRecorder(window).clickedElement;
	if (element){
		result.target = this.getRecorder(window).clickedElementLocators;
		try {
			if(!this.getCRC){
				//function to calculate the CRC32 from a string
				this.getCRC = function (string) {
					if(!string || string=='') return '';
					if(!this.CRCTab)this.CRCTab=new Array(0x00000000,0x77073096,0xEE0E612C,0x990951BA,0x076DC419,0x706AF48F,0xE963A535,0x9E6495A3,0x0EDB8832,0x79DCB8A4,0xE0D5E91E,0x97D2D988,0x09B64C2B,0x7EB17CBD,0xE7B82D07,0x90BF1D91,0x1DB71064,0x6AB020F2,0xF3B97148,0x84BE41DE,0x1ADAD47D,0x6DDDE4EB,0xF4D4B551,0x83D385C7,0x136C9856,0x646BA8C0,0xFD62F97A,0x8A65C9EC,0x14015C4F,0x63066CD9,0xFA0F3D63,0x8D080DF5,0x3B6E20C8,0x4C69105E,0xD56041E4,0xA2677172,0x3C03E4D1,0x4B04D447,0xD20D85FD,0xA50AB56B,0x35B5A8FA,0x42B2986C,0xDBBBC9D6,0xACBCF940,0x32D86CE3,0x45DF5C75,0xDCD60DCF,0xABD13D59,0x26D930AC,0x51DE003A,0xC8D75180,0xBFD06116,0x21B4F4B5,0x56B3C423,0xCFBA9599,0xB8BDA50F,0x2802B89E,0x5F058808,0xC60CD9B2,0xB10BE924,0x2F6F7C87,0x58684C11,0xC1611DAB,0xB6662D3D,0x76DC4190,0x01DB7106,0x98D220BC,0xEFD5102A,0x71B18589,0x06B6B51F,0x9FBFE4A5,0xE8B8D433,0x7807C9A2,0x0F00F934,0x9609A88E,0xE10E9818,0x7F6A0DBB,0x086D3D2D,0x91646C97,0xE6635C01,0x6B6B51F4,0x1C6C6162,0x856530D8,0xF262004E,0x6C0695ED,0x1B01A57B,0x8208F4C1,0xF50FC457,0x65B0D9C6,0x12B7E950,0x8BBEB8EA,0xFCB9887C,0x62DD1DDF,0x15DA2D49,0x8CD37CF3,0xFBD44C65,0x4DB26158,0x3AB551CE,0xA3BC0074,0xD4BB30E2,0x4ADFA541,0x3DD895D7,0xA4D1C46D,0xD3D6F4FB,0x4369E96A,0x346ED9FC,0xAD678846,0xDA60B8D0,0x44042D73,0x33031DE5,0xAA0A4C5F,0xDD0D7CC9,0x5005713C,0x270241AA,0xBE0B1010,0xC90C2086,0x5768B525,0x206F85B3,0xB966D409,0xCE61E49F,0x5EDEF90E,0x29D9C998,0xB0D09822,0xC7D7A8B4,0x59B33D17,0x2EB40D81,0xB7BD5C3B,0xC0BA6CAD,0xEDB88320,0x9ABFB3B6,0x03B6E20C,0x74B1D29A,0xEAD54739,0x9DD277AF,0x04DB2615,0x73DC1683,0xE3630B12,0x94643B84,0x0D6D6A3E,0x7A6A5AA8,0xE40ECF0B,0x9309FF9D,0x0A00AE27,0x7D079EB1,0xF00F9344,0x8708A3D2,0x1E01F268,0x6906C2FE,0xF762575D,0x806567CB,0x196C3671,0x6E6B06E7,0xFED41B76,0x89D32BE0,0x10DA7A5A,0x67DD4ACC,0xF9B9DF6F,0x8EBEEFF9,0x17B7BE43,0x60B08ED5,0xD6D6A3E8,0xA1D1937E,0x38D8C2C4,0x4FDFF252,0xD1BB67F1,0xA6BC5767,0x3FB506DD,0x48B2364B,0xD80D2BDA,0xAF0A1B4C,0x36034AF6,0x41047A60,0xDF60EFC3,0xA867DF55,0x316E8EEF,0x4669BE79,0xCB61B38C,0xBC66831A,0x256FD2A0,0x5268E236,0xCC0C7795,0xBB0B4703,0x220216B9,0x5505262F,0xC5BA3BBE,0xB2BD0B28,0x2BB45A92,0x5CB36A04,0xC2D7FFA7,0xB5D0CF31,0x2CD99E8B,0x5BDEAE1D,0x9B64C2B0,0xEC63F226,0x756AA39C,0x026D930A,0x9C0906A9,0xEB0E363F,0x72076785,0x05005713,0x95BF4A82,0xE2B87A14,0x7BB12BAE,0x0CB61B38,0x92D28E9B,0xE5D5BE0D,0x7CDCEFB7,0x0BDBDF21,0x86D3D2D4,0xF1D4E242,0x68DDB3F8,0x1FDA836E,0x81BE16CD,0xF6B9265B,0x6FB077E1,0x18B74777,0x88085AE6,0xFF0F6A70,0x66063BCA,0x11010B5C,0x8F659EFF,0xF862AE69,0x616BFFD3,0x166CCF45,0xA00AE278,0xD70DD2EE,0x4E048354,0x3903B3C2,0xA7672661,0xD06016F7,0x4969474D,0x3E6E77DB,0xAED16A4A,0xD9D65ADC,0x40DF0B66,0x37D83BF0,0xA9BCAE53,0xDEBB9EC5,0x47B2CF7F,0x30B5FFE9,0xBDBDF21C,0xCABAC28A,0x53B39330,0x24B4A3A6,0xBAD03605,0xCDD70693,0x54DE5729,0x23D967BF,0xB3667A2E,0xC4614AB8,0x5D681B02,0x2A6F2B94,0xB40BBE37,0xC30C8EA1,0x5A05DF1B,0x2D02EF8D);
					var len=string.length;
					var crc=0xFFFFFFFF;
					for(var n=0; n<len; n++)crc=this.CRCTab[(crc^string.charCodeAt(n))&0xFF]^((crc>>8)&0xFFFFFF);
					crc=crc^0xFFFFFFFF;
					if (crc < 0) crc =  0xFFFFFFFF + crc + 1;
					return crc.toString(16).toUpperCase();
				};
			}
			if(!this.getSource){
				//Get the binary content of an url
				this.getSource = function getSource(url){
					if(!url || url=='') return '';
					if(!/^\w+:\/\//.test(url)){
						var baseProtocol = window.location.href.match(/^[^\/]+/);
						var baseUrl = window.location.href.match(/^[^\/]+\/\/[^\/]+/) + window.location.pathname.replace(/\/$/,'');
						if(/^\.\./.test(url)){
							do{ baseUrl = baseUrl.substring(0, baseUrl.lastIndexOf('/')); url= url.substring(3); }while(/^\.\./.test(url))
							url = baseUrl + '/' + url;
						}else if(/^\/\//.test(url) ){
							url = baseProtocol + url;
						}else if(/^\.?\//.test(url) ){
							url = url.replace(/^\.?\//, baseUrl+'/');	
						}else if(/^www/.test(url) ){
							url = baseProtocol + '//' + url;
						}else{
							url = baseUrl + '/' + url;
						}
					}
					var xhrSignature=new XMLHttpRequest();
					xhrSignature.open("GET",  url.replace(/^\/\//, 'http://'), false);	// Synchron mode is required as the result will determine the content of the context menu. This function is only called when the SeleniumIDE window is opened.
					xhrSignature.overrideMimeType("text/plain; charset=x-user-defined");
					xhrSignature.send(null);
					return xhrSignature.responseText;
				};
			}
			var sourceImg='', sourceLink='', sourceHTML='', sourceCSS='', sourceAtt='';
			var styles = window.getComputedStyle(element, null);
			var attributes = element.attributes;
		//compute image type
			if(styles.getPropertyValue('background-image').match(/^url\(.*\)$/)){
				sourceImg = this.getSource.call(window, styles.getPropertyValue('background-image').match(/^url\(['"](.+)["']\)$/)[1]);
			}else if(element.hasAttribute('src')){
				sourceImg = this.getSource.call(window, element.getAttribute('src'));
			}
		//compute link type
			if(element.hasAttribute('href')){
				sourceLink = '...';
			}
		//compute attributes type
			for (var i=0; i<attributes.length; i++) {
				if(attributes[i].nodeValue) sourceAtt += (attributes[i].nodeName + attributes[i].nodeValue);
			}
		//compute html type
			sourceHTML = element.innerHTML;
		//compute css type
			for (var i=0; i<styles.length; i++) {
				var prop = styles.getPropertyValue(styles[i]);
				if(prop) sourceCSS += styles[i] + prop;
			}
		//set the result
			result.value=('*html='+this.getCRC(sourceHTML)+'*att='+this.getCRC(sourceAtt)+'*css='+this.getCRC(sourceCSS)+'*img='+this.getCRC(sourceImg)+'*link='+sourceLink+'*').replace(/[^\*=]+=\*/g,'');
		//draw a frame arround the selected element for one second and delete it
			var rect = window.document.createElement('div');
			rect.style.position='absolute';
			rect.style.border='1px solid red';
			rect.style.width=(element.offsetWidth+2)+'px';
			rect.style.height=(element.offsetHeight+2)+'px';
			var curleft=-2, curtop=-2;
			do {
				curleft += element.offsetLeft;
				curtop += element.offsetTop;
			} while (element = element.offsetParent);
			rect.style.top = curtop+'px';
			rect.style.left = curleft+'px';
			rect.style.zIndex = 0xFFFFFFFF;
			window.document.body.appendChild(rect);
			setTimeout(function(){window.document.body.removeChild(rect);}, 1500);
			return result;
		}catch(e){}
	}
	result.disabled = true;
	return result;
});
	
	